Copper alloy glossiness control method based on coordinated regulation and control of spraying amount and speed of rolling oil

By coordinating and controlling the amount and speed of rolling oil spraying, and adopting a single spraying method and low-speed winding technology, the problem of difficult control of the gloss of tin-phosphor bronze alloy was solved, achieving precise control of gloss and improvement of production efficiency.

CN122273933APending Publication Date: 2026-06-26FUJIAN ZIJIN COPPER
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Patent Information

Application Number
CN202610567466.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-27
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing technologies struggle to precisely control the gloss of tin-phosphor bronze alloys. The complex influence of factors such as raw material characteristics, surface roughness, processing parameters, ambient temperature and humidity, and the type and amount of additives makes it difficult to achieve the precision requirements of AOI (Automated Optical Inspection).

Method used

By coordinating and controlling the amount and speed of rolling oil spraying, the oil film thickness on the strip surface is adjusted in the final cold rolling pass using a single spraying method. Combined with low-speed coiling and source oil control, the gloss is precisely controlled.

Benefits of technology

It achieves precise control over the gloss of copper alloys, improves production quality and efficiency, and ensures the gloss stability of products within the 70 GU range.

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Abstract

The invention discloses a copper alloy glossiness control method based on coordinated regulation and control of the spraying amount and speed of rolling oil, and belongs to the technical field of tin-phosphor bronze alloy machining.The key point of the technical scheme is that the copper alloy glossiness control method comprises the following steps that S1, a copper alloy casting blank is prepared; s2, the copper alloy casting blank is subjected to annealing and surface milling treatment; s3, rough rolling is conducted on the casting blank subjected to face milling; s4, the strip obtained after rough rolling in the step S3 is subjected to edge cutting; s5, carrying out multi-pass intermediate rolling on the strip annealed in the step S4, and then carrying out final finished product pass cold rolling; and S6, the strip obtained after final finished product pass cold rolling in the step S5 is subjected to stretch bending and straightening, and finally a finished product is obtained through shearing. Wherein in the final finished product pass cold rolling in the step S5, the thickness of an oil film on the surface of the strip is adjusted by cooperatively regulating and controlling the rolling speed and the spraying amount of rolling oil, and then the target glossiness is accurately controlled. According to the scheme, the glossiness of the copper alloy can be accurately controlled, regulation and control are conducted according to requirements, regulation and control are accurate, and the production quality and efficiency are improved.
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